<template>
  <div class="Home">
    {{ count }}
  </div>
</template>

<script>
export default {
  name: 'Home',
  props: ['count'],
  beforeUpdate() {
    console.log('子 beforeUpdate')
  },
  updated() {
    console.log('子 updated')
  },
}
</script>

<style scoped>
.Home {
  background: pink;
}
</style>